NVIDIA GeForce GT 640 vs AMD FirePro W8000

VS

NVIDIA GeForce GT 640

AMD FirePro W8000

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 4GB VRAM FirePro W8000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 's Advantages

Lower TDP (65W vs 225W)

AMD FirePro W8000 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (176.0GB/s vs 28.51GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640

0.693 TFLOPS

FirePro W8000 +365%

3.226 TFLOPS

GeForce GT 640

VS

FirePro W8000

Graphics Card

Jun 2012

Release Date

Jun 2012

GeForce 600

Generation

FirePro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

891 MHz

Memory Clock

1375 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.51GB/s

Bandwidth

176.0GB/s

Render Config

-

Compute Units

28

-

384

Shading Units

1792

32

TMUs

112

16

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

7.216 GPixel/s

Pixel Rate

28.80 GPixel/s

28.86 GTexel/s

Texture Rate

100.8 GTexel/s

-

692.7 GFLOPS

FP32 (float)

3.226 TFLOPS

28.86 GFLOPS

FP64 (double)

806.4 GFLOPS

Board Design

65W

TDP

225W

250 W

Suggested PSU

550 W

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

4x DisplayPort 1.2 1x SDI

None

Power Connectors

2x 6-pin

Graphics Processor

GK107

GPU Name

Tahiti

GK107-300-A2

GPU Variant

Tahiti PRO GL

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

4.313 billion

118 mm²

Die Size

352 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

5.1

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